Valve



J. MESSMER June 4, 1929.

VALVE Filed Oct. 8, 1927 1 Patented June 4, 1929.

Unit

JOSEPH M ESSMER, OF KIRKWOOD, MISSOURI, ASSIGNOR TO MESSMER BRASS COM- PAINY, OFST; LOUIS, MISSOURI, A CORPORATION OF MISSOURI.

VALVE.

Application filed October 8, 1927.

This invention relates to an improvement in valves, and more particularly to an improvement in valves having means adapted relatively accurately to control the flow of afluid therethrough as to a radiator or other receptacle.

In systems wherein fluids are distributed to receptacles as radiators or the like through pipes, if no means is provided for regulating the flow to the individual receptacles, there is a tendency for the smaller receptacle to become filled first. V

For instance, it is common in heating systems-to provide radiators in the several rooms which vary in size according to the size of the rooms. As the steam or other heating medium is supplied to all the radiators joined to the same supply pipe at generally the same pressure, the smaller radiators will be filled first.- The steam will then. pass through the return pipe and operate the air release valve before the larger radiators become completely filled with steam. l his results in the larger radiators being insufficiently heated, or, at the best,'very slow to become fully heated. V It, therefore, is necessary, or at least very desirable, to provide means for controlling the flow of the heating medium into the several radiators or receptacles in accordance with their respectivesizes so that all the radiators of thesystem will become full substantially simultaneously;

' If the heating med um were supplied to all theradiators in asystem at the samepressure, this might .be fairly satisfactorily accomplislied by proportioning the inlets into the radiators according to their sizes.

However, the pressure at which the steam or other medium is supplied to a radiator is affected bythe position of the radiator in relation to the boiler, as its distance from orele- .vation above the boiler and also, to a certain extent, by the number of bends in the pipe extending to the radiator from the boiler. Due to the above-and other influences, the size of the valve inlets which will cause the radiators throughout heating system to become full simultaneously cannot be predetermined, 50. but must be ascertained by a cut and try? method or experimentation. Thus the means controlling the inlets to the several radiators of asystem must be repeatedly adjusted until the adjustments arrived at permit the radia- Serial No. 224,796.

simultaneously. This adjustment, obviously,

cannot be made by the usual cut off valve, for

to do so would require that a new adjustment be made every timethe steam is out off. As it is desirable that the adjustment: be made while the steam pressure is in-the system, it is impossible to remove the valve for adjustment.

The object of the present invention, therefore, is the provision of means, aside from the cut off valve, for controlling the How 'of the heating medium to a radiator or other receptacle while the heating medium is under ,pressure in the system.

One of the features of the invention is .a valve whichmay be selectively set. to control the inlet opening to the radiator and which is provided with means for automatically locking the valve in its adjusted position. 1

Another feature of the invention related to that above mentioned is a longitudinally .dis-

placeable operating shaft for the valve and interacting locking means between the shaft and its supporting bearing wherebythe shaft is held against rotation when in normal position, a spring being provided fornor-ma'lly urging the shaft into locking'position.

Other features and advantages will appear from time to time as the description of the invention progresses.

It is believed the further disclosure of the invention will be understood most: readily from a detailed description thereof taken in connection with the accompanyingdrawings, in which v Fig. 1 is a view of a radiatorshowing applicants valve associated therewith i Fig. 2 is a view of the valve detached as seen from the side adjacent to the radiator in Fig. 1;

Fig. 3 is a sectional view of the entire valve assembly;

Fig. 4c shows the packing gland forthe valve shaft; and

Fig. 5 is a perspective viewJof the valve shutter and shaft.

Referring now to the draWi g, in which like reference characters indicate the same parts in the several views, 10 indicates a radiator having a cut off valve 11 joined thereto through the mediumof the extension 12 within which is the valve for corn trolling or adjusting the flow to the radiator. The cut off valve 11, which 'may be of any well known or preferred form, has communicating with the lower end thereof the inlet pipe 13.

Within the cylinder recess or bore 14 of the shell 12 is the valve shutter 15. One side of the bore 14 has formed therein a socket 16 which receives the lug 17 formed at one side of the shutter 15. The lug 1'? acts to pivotally support the shutter 15 at one side thereof.

Extending laterally from the shell or e1 tension portion 12 is a packing gland casing 18. CasinglS is internally screw threaded and receives therein the externally screw threaded packing gland 19. Rot-atably and slidably mounted within the gland 19 is the shutter operating shaft 20. The inner end of shaft 20 is bifurcated and receives the edge of shutter between the bifurcations 21. A loop 22 is sheared and pressed out of the shutter 15, and one of the bifurcations slidably extends therethrough.

The inner edge of the packing gland 19 is formed with a series of projections 23 and a pin 24, extending through the shaft 20, is adapted to be received within the recesses or notches between projections 23 when the shaft is in its normal position, as shown in Fig. 3.

Surrounding the shaft 20, within the gland 19, is a coil compression spring 25. One end of spring 25 engages the gland 19 and the other end bears against the head or enlargement 26 at the outer end of shaft 20. Thus spring 25 acts normally to retain the shaft 20 to the right, as seen in Fig. 3, in which position it is firmly locked against rotation by'the ends of pin 24 being positioned between projections 23.

When it is desired to adjust the position of the shutter 15, a screw driver or similar device is engaged with the kerf 27 in the head 26. The shaft 20 is then forced to the left, as seen in Fig. 3, against the tension of spring 25 until the pin 24 has become disengaged from the projections 23. The shaft 20 may now be freely rotated to place shutter 15 in any desired position. On

, removal of the longitudinal pressure from the shaft 20, spring 25 acts to automatically return it to its normal position where it The gland casing 18 will preferably be supplied with an externally screw threaded closure or cap 28 to be screwed into position after adjustment of the shutter 15 to give a finished appearance to the device and to insure against leakage.

From the above description, it is obvious that applicant has provided a structure by which the valve inlet opening may be adjusted very readily while the steam or other heating medium is under pressure in the sysclosed. limited only by the scope of the appended tem, and wherein means are provided for firmly retaining the valve in its ad usted position.

lVhile in the drawings and in the above description but a single embodiment ofthe invention is disclosed, itis tobe understood that modifications of the details of construction are contemplated, Also, it is believed that the invention will be found applicable to devices and uses other than herein dis- The invention, therefore, should he claims.

Having thus described my invention, what I claim asnew and desire to secure by Let tears Patent of the United States is:

1. In a valve, a shell having a tubular recess therein, a valve shutter within said recess, a shutter operating shaft extending through an opening in'said shell into said recess, means slidably joining said shaft to said shutter, holding means for preventing rotary movement of said shaft, resilient means forpermittin g longitudinal movement of said shaft to disengage said holding means and permit rotary movement of said shaft and shutter.

'2. In a valve, a shell having a tubular recess therein, a valve shutter within said recess for controlling the flow of fluid therethrough, a tubular casing extending laterally from said shell, a shutter operating shaft extending through said easing into. said recess, means slidably but non-rotatably joining said shutter to said shaft, holding means within said casing co-operating with said shaft for preventing rotation of said shaft, and resilient means permitting inward longitudinal movement of said shaft to disengage said holding means and permit rotary movement of said shaft and shutter.

3. In a valve, a shell having a tubular recess therein, a valve shutter within said recess for controlling the flow of fluid therethrough, a tubular casing extending laterally from said shell, a shutter operating shaft extending through said easing into said recess, means slidably but non-rotatably joining said shutter to said shaft, a packing gland about said shaft within said casing, means on said shaft and gland co-operating to hold said shaft against rotary movement, and resilient means for normally retaining said holding is locked against rotation as above explained.

means in operative relation but permitting longitudinal movement of said shaft to disengage said holding means and permit rotary movement of said shaft and shutter.

4. In a valve, a shell having a tubular recess therein, a valve shutter within said recess for controlling the flow'offluid therethrough, a casing extending laterally from said shell, a shutter operating shaft extending through said easing. into said recess, means slidably but non-rotatably joining said shutter to said shaft, a packing gland about said shaft within said casing, projections at the inner edge of said gland, a pin extending laterally from said shaft, and resilient means normally forcing said shaft outwardly for causing engagement of said pin between said projections but permitting inward longitudinal movement of said shaft to disengage said pin from said projections and permit rotary movement of said shaft and shutter.

5. In a valve, a shell having a tubular recess therein, a valve shutter within said recess, a depression or socket at one side of said recess, a lug at one edge of said shutter positioned within said socket, a shutter operating shaft extending through an opening in said shell into said recess, means slidably joining said shaft to said shutter at the edge opposite said lug, holding means for preventing rotary movement of said shaft, and resilient means for permitting longitudinal movement of said shaft to disengage said holding means and permit rotary movement of said shaft and shutter.

6. In a valve, a shell having a tubular recess therein, a valve shutter within said recess for controlling the flow of fluid therethrough, a depression or socket at one side of said recess, alug at one edge of said shutter positioned within said socket, a tubular casing extending laterally from said shell, a shutter operating shaft extending through said easing into said recess, means slidably but non-rotatably joining said shutter to said shaft at the edge opposite said lug, a packing gland about said shaft within said casing, means on said shaft and gland co-operating to hold said shaft against rotary movement, and resilient means for normally retaining said holding means in operative relation but permitting longitudinal movement of said shaft to disengage said holding means and permit rotary movement of said shaft and shutter.

7 In a valve, a shell having a tubular recess therein, a valve shutter within said recess for controlling the flow of fluid therethrough, a depression or socket at one side of said recess, a lug at one edge of said shutter positioned within said socket, a casing extending laterally from said shell, a shutter operating shaft extending through said easing into said recess, means slidably but non-rotatably joining said shutter to said shaft at the edge opposite said lug, a packing gland about said shaft within said casing, projections at the inner edge of said gland, a pin extending laterally from said shaft, and resilient means normally forcing said shaft outwardly for causing engagement of said pin between said projections but permitting inward longitudinal movement of said shaft to disengage said pin from said projections and permit rotary movement of said shaft and shutter.

JOSEPH MESSMER. 

